Description:  Item: R1.  Product: DIY RC Robot.  Battery: 3.7V Battery(not included).  Control System: nodemcu.  Control Method: Wifi PC/APP.  Product Size: 16*8*9.  Flat Size: 26*20*4cm.     Features:  - Open Source, support PC/APP control, support IOS/Android system.  - DIY design, helps to develop logic thinking and...

Description:  Product: GA12-N20 DC Gear Motor.  Voltage: 6.0-12V.  Rated Speed: 60rpm(6.0V).  No-load Speed: 150rpm(6.0V).  Rated Torque: 0.5kg.cm.  Rared Current: 0.15A.  No-load Current:≤30MA(6.0V).  Stall Current: 0.4A.  Application: For DIY RC Car, other RC Models.     Package:  1 *GA12-N20 DC Gear Motor

Feature:  Innovative design.  Will spray water, strong playability.  Fully assembled, exercise hands-on ability.  Modular, easy to upgrade.     Specification:  Packing: carton.  Size: 21cmx6.5cmx24cm (length, width and height).  Robot weight: 454g Remote control weight: 126g.  Voltage: 6V.  Remote control frequency: 27mhz.  Remote control distance: about...

Description: Procuct: SPT4412LV-210 12KG Digital Servo. Dead Band: 4μs. Neutral Position: 1500μs/50hz. Motor: Core Motor. 500-2500μs Angle: 210°±2°. Voltage Range: 4.8V-7.2V. Operating Speed(4.8V): 0.11''/60°. Operating Speed(6.0V): 0.09''/60°. Stall Torque(4.8V): 10kg.cm. Stall Torque(6.0V): 12 kg.cm. Dimensions: 41X20.3X28mm. Weight: 56g. Connector Wire Length: JR 260 mm. Bearing:...

Specification: Rated voltage: DC 9V.  No-load current: 100mA.  Stall current: 1.2A.  No-load speed: 8000 rpm.  Suitable voltage: 6-12V.  Reduction ratio: 1:48/1:90.     Package includes:  1 * motor

Features:  Model: HB098S.  Effective connection distance: 8M.  Key life: >=3 million times. . Charging voltage: 5V.  Panel material: ABS.  Weight: about 0.28kg.  Lithium battery capacity: 400mAH.  Standby time: >=200H.  Continuous working hours: 300H.  Sleep time: 30 minutes.  Package Included: 1 x Bluetooth Keyboard

Description:  Product: DIY RC Robot Kit.  Power: 4*AA Batteries(Not included).  Voltage: 3-6V.  Main Control: ELF Mini V2.0.  Microchip: ATmega328P.  Conmmunication: USB/Bluetooth 4.1.     Features:  - Various kinds of appearance can be changed in one robot.  - DIY design, helps to develop thinking and opperating...

Features:  Model: HB199.  Shell material: PC+ABS.  Bottom shell: aluminum alloy.  Standard interface type: Micro interface.  Charging time: about 2 hours.  Battery capacity: 160mah.  Continuous working hours: >=50 hours.  Size: 202.5*89.2*15MM.  Package Included: 1 x Bluetooth Keyboard  

This is a set of transmitter and receiver in one of the photoelectric sensor. The detection distance can be adjusted upon request. The sensor has a detection distance and the visible light interference, cheap, easy to assemble, easy to use features of robot obstacle...

Description:  Product: ZX20S Serial Bus Digital Servo.  Voltage: 5.0-8.4V.  Speed: 0.16sec/60°(6.0V).  Torque: 17kg.cm(6.0V).               20kg.cm(7.4V).  Gear: Metal Gear.  Servo Wire: 20cm.  Mode: 180°/270°.  Precision: 0.24°.  Weight: About 59g.  Product Size: 40*20*40.5cm.  Application: RC Robot.     Package:  1* Servo

Description: This scratch off world map is a fun way to track your adventure journeys! Just scratch the foil layer and reveal the vibrant color underneath.  With corresponding flags of more than 200 countries, it is also an exceptional teaching aid.  Features: Gold topography...

Features: - Made of quality material, it is sturdy and wear resistant.  - There is precision scale on the ruler, high accuracy.  - No sharp edges, easy to store.  - Ruler is transparent plastic for easy drawing and viewing.  - Suitable for home, office...

Features: This versatile measuring tool is a great alternative to a tape measure with a folding locking design. It can be fold up when not in use for compact portability, and can be fully extended for accuately measuring. Great for your job site, home,...

Product Features: 1.You can directly scan the barcode of the label paper box by WEIDA APP, quickly match the corresponding label template style, directly edit the number, text, barcode, pattern and other content, can quickly print the label, so easy. 2.Commonly used label paper...

Feature:Type:Fingerprint; Size:170*118*30MM; Print color:black and red; Power:DC5V; Power Supply:DC5V; Weight:0.457 (kg); Use ambient temperature - 10 - 60 (Degrees); Use ambient humidity 5-95 (%);  Package including:1xPackage of Attendance Machine

Description: - Reduce the ambient light and enhance the picture. - Lightweight and foldable, small screen can be used just unfolded. - Switch the position of unfolding angle at will. 

Specifications: The resolution of the:320*240; Proportion of the screen:4:3; Type: Multi-function; Power consumption:10W—24W; The noise:15DB; Brightness:99 lumens; The operating system: None;  Main Features: Light and portable, you can carry it easily;  Support 5v2A charger for direct power supply;  The bigger the distance, the bigger the...

Features: The LED lamp life can be up to 20000 hours. Multi-function interface: USB/VGA/AV/HDMI.  Built-in high-quality stereo speakers.  2200 lumens of the LED light source has enough optical efficiency and low power consumption.  With the native resolution 1280 x 720 pixels for clear and...

Specifications:  Material: ABS.   Brightness: 3800 Lumens.   Native Resolution: 720p.   Resolution Support: Max Support 4K Resolution.   Display Technology: LCD.   Light Source: LED.   Screen Size (inch): 50-200 inch.   Projection Distance: 1m - 3m.   3D:  YES.  Specifications:  Aspect Ratio: 16:9/4:3.   Keystone Correction: YES.   Contrast Ratio: 3000:1.   Projection Model: ...

Specifications:   Material: ABS.   Brightness:  2800 Lumens.   Native Resolution: 720p.   Resolution Support: Supports 1080p.   Display Technology: LCD.   Screen Size (inch): 50-300 inch.   Projection Distance: 1m - 8m.   3D: YES.  Specifications:  Aspect Ratio: 16:9/4:3.  Keystone Correction: YES,± 20°.  Contrast Ratio: 2000:1.  Projection Model: Front/Rear/ Inverted.  Throw Ratio: 1.33:1. ...